| Appearance |
Yellowish brown to reddish brown amorphous powder, having slight characteristic odour. Its solution is acidic to litmus. |
| Solubility |
Soluble in water and alcohol, practically insoluble in chloroform, in ether, in solvent hexane and in acetone |
| Identification as per USP |
Complies |
| Heavy metal |
Max 20 ppm |
| Residue on ignition |
Max 0.025% |
| Loss on drying |
Max 8.0% w/w |
| Nitrogen content (on dried basis) |
9.5 to 11.5% |
| Iodide ion (on dried basis) |
Max 6.6% w/w |
| Assay (as available iodine, on dried basis) |
9.0 to 12.0% w/w |
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